Interface MapListModelMapFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("org.javagi.JavaGI")
public interface MapListModelMapFunc
extends FunctionPointer

Functional interface declaration of the MapListModelMapFunc callback.

See Also:

• run(GObject)

Method Summary

Modifier and Type	Method	Description
GObject	run(GObject item)	User function that is called to map an item of the original model to an item expected by the map model.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
default MemorySegment	upcall(MemorySegment item, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

GObject run(GObject item)

User function that is called to map an item of the original model to an item expected by the map model.

The returned items must conform to the item type of the model they are used with.

Parameters:

item - The item to map

Returns:

The item to map to

upcall

default MemorySegment upcall(MemorySegment item,
 MemorySegment userData)

The upcall method is called from native code. The parameters are marshaled and run(GObject) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer